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[mips][mips64r6] Add d?div, d?mod, d?divu, d?modu

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Summary: Depends on D3668

Reviewers: jkolek, zoran.jovanovic, vmedic

Reviewed By: vmedic

Differential Revision: http://reviews.llvm.org/D3669

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208579 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Sanders 2014-05-12 15:24:16 +00:00
parent 85918049ab
commit b1b144c65a
4 changed files with 44 additions and 8 deletions
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24
lib/Target/Mips/Mips32r6InstrInfo.td
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@ -60,6 +60,10 @@ include "Mips32r6InstrFormats.td"
//
//===----------------------------------------------------------------------===//
class DIV_ENC : SPECIAL_3R_FM<0b00010, 0b011010>;
class DIVU_ENC : SPECIAL_3R_FM<0b00010, 0b011011>;
class MOD_ENC : SPECIAL_3R_FM<0b00011, 0b011010>;
class MODU_ENC : SPECIAL_3R_FM<0b00011, 0b011011>;
class MUH_ENC : SPECIAL_3R_FM<0b00011, 0b011000>;
class MUHU_ENC : SPECIAL_3R_FM<0b00011, 0b011001>;
class MUL_R6_ENC : SPECIAL_3R_FM<0b00010, 0b011000>;
@ -71,6 +75,18 @@ class MULU_ENC : SPECIAL_3R_FM<0b00010, 0b011001>;
//
//===----------------------------------------------------------------------===//
class DIVMOD_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
dag OutOperandList = (outs GPROpnd:$rd);
dag InOperandList = (ins GPROpnd:$rs, GPROpnd:$rt);
string AsmString = !strconcat(instr_asm, "\t$rd, $rs, $rt");
list<dag> Pattern = [];
}
class DIV_DESC : DIVMOD_DESC_BASE<"div", GPR32Opnd>;
class DIVU_DESC : DIVMOD_DESC_BASE<"divu", GPR32Opnd>;
class MOD_DESC : DIVMOD_DESC_BASE<"mod", GPR32Opnd>;
class MODU_DESC : DIVMOD_DESC_BASE<"modu", GPR32Opnd>;
class MUL_R6_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
dag OutOperandList = (outs GPROpnd:$rd);
dag InOperandList = (ins GPROpnd:$rs, GPROpnd:$rt);
@ -125,8 +141,8 @@ def CLASS_D;
def CLASS_S;
def CMP_CC_D;
def CMP_CC_S;
def DIV; // Not to be confused with the old div
def DIVU; // Not to be confused with the old div
def DIV : DIV_ENC, DIV_DESC, ISA_MIPS32R6;
def DIVU : DIVU_ENC, DIVU_DESC, ISA_MIPS32R6;
def JIALC;
def JIC;
// def LSA; // See MSA
@ -140,8 +156,8 @@ def MAX_S;
def MINA_D;
def MINA_S;
def MIN_D;
def MOD;
def MODU;
def MOD : MOD_ENC, MOD_DESC, ISA_MIPS32R6;
def MODU : MODU_ENC, MODU_DESC, ISA_MIPS32R6;
def MSUBF;
def MUH : MUH_ENC, MUH_DESC, ISA_MIPS32R6;
def MUHU : MUHU_ENC, MUHU_DESC, ISA_MIPS32R6;

16
lib/Target/Mips/Mips64r6InstrInfo.td
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@ -25,6 +25,10 @@
//
//===----------------------------------------------------------------------===//
class DDIV_ENC : SPECIAL_3R_FM<0b00010, 0b011110>;
class DDIVU_ENC : SPECIAL_3R_FM<0b00010, 0b011111>;
class DMOD_ENC : SPECIAL_3R_FM<0b00011, 0b011110>;
class DMODU_ENC : SPECIAL_3R_FM<0b00011, 0b011111>;
class DMUH_ENC : SPECIAL_3R_FM<0b00011, 0b111000>;
class DMUHU_ENC : SPECIAL_3R_FM<0b00011, 0b111001>;
class DMUL_R6_ENC : SPECIAL_3R_FM<0b00010, 0b111000>;
@ -36,6 +40,10 @@ class DMULU_ENC : SPECIAL_3R_FM<0b00010, 0b111001>;
//
//===----------------------------------------------------------------------===//
class DDIV_DESC : DIVMOD_DESC_BASE<"ddiv", GPR64Opnd>;
class DDIVU_DESC : DIVMOD_DESC_BASE<"ddivu", GPR64Opnd>;
class DMOD_DESC : DIVMOD_DESC_BASE<"dmod", GPR64Opnd>;
class DMODU_DESC : DIVMOD_DESC_BASE<"dmodu", GPR64Opnd>;
class DMUH_DESC : MUL_R6_DESC_BASE<"dmuh", GPR64Opnd>;
class DMUHU_DESC : MUL_R6_DESC_BASE<"dmuhu", GPR64Opnd>;
class DMUL_R6_DESC : MUL_R6_DESC_BASE<"dmul", GPR64Opnd>;
@ -52,11 +60,11 @@ def DALIGN;
def DATI;
def DAUI;
def DBITSWAP;
def DDIV;
def DDIVU;
def DDIV : DDIV_ENC, DDIV_DESC, ISA_MIPS64R6;
def DDIVU : DDIVU_ENC, DDIVU_DESC, ISA_MIPS64R6;
// def DLSA; // See MSA
def DMOD;
def DMODU;
def DMOD : DMOD_ENC, DMOD_DESC, ISA_MIPS64R6;
def DMODU : DMODU_ENC, DMODU_DESC, ISA_MIPS64R6;
def DMUH: DMUH_ENC, DMUH_DESC, ISA_MIPS64R6;
def DMUHU: DMUHU_ENC, DMUHU_DESC, ISA_MIPS64R6;
def DMUL_R6: DMUL_R6_ENC, DMUL_R6_DESC, ISA_MIPS64R6;

4
test/MC/Mips/mips32r6/valid.s
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@ -4,6 +4,10 @@
.set noat
# FIXME: Add the instructions carried forward from older ISA's
div $2,$3,$4 # CHECK: div $2, $3, $4 # encoding: [0x00,0x64,0x10,0x9a]
divu $2,$3,$4 # CHECK: divu $2, $3, $4 # encoding: [0x00,0x64,0x10,0x9b]
mod $2,$3,$4 # CHECK: mod $2, $3, $4 # encoding: [0x00,0x64,0x10,0xda]
modu $2,$3,$4 # CHECK: modu $2, $3, $4 # encoding: [0x00,0x64,0x10,0xdb]
# mul $2,$3,$4 # CHECK-TODO: mul $2, $3, $4 # encoding: [0x00,0x64,0x10,0x98]
muh $2,$3,$4 # CHECK: muh $2, $3, $4 # encoding: [0x00,0x64,0x10,0xd8]
mulu $2,$3,$4 # CHECK: mulu $2, $3, $4 # encoding: [0x00,0x64,0x10,0x99]

8
test/MC/Mips/mips64r6/valid.s
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@ -4,6 +4,14 @@
.set noat
# FIXME: Add the instructions carried forward from older ISA's
div $2,$3,$4 # CHECK: div $2, $3, $4 # encoding: [0x00,0x64,0x10,0x9a]
divu $2,$3,$4 # CHECK: divu $2, $3, $4 # encoding: [0x00,0x64,0x10,0x9b]
mod $2,$3,$4 # CHECK: mod $2, $3, $4 # encoding: [0x00,0x64,0x10,0xda]
modu $2,$3,$4 # CHECK: modu $2, $3, $4 # encoding: [0x00,0x64,0x10,0xdb]
ddiv $2,$3,$4 # CHECK: ddiv $2, $3, $4 # encoding: [0x00,0x64,0x10,0x9e]
ddivu $2,$3,$4 # CHECK: ddivu $2, $3, $4 # encoding: [0x00,0x64,0x10,0x9f]
dmod $2,$3,$4 # CHECK: dmod $2, $3, $4 # encoding: [0x00,0x64,0x10,0xde]
dmodu $2,$3,$4 # CHECK: dmodu $2, $3, $4 # encoding: [0x00,0x64,0x10,0xdf]
# mul $2,$3,$4 # CHECK-TODO: mul $2, $3, $4 # encoding: [0x00,0x64,0x10,0x98]
muh $2,$3,$4 # CHECK: muh $2, $3, $4 # encoding: [0x00,0x64,0x10,0xd8]
mulu $2,$3,$4 # CHECK: mulu $2, $3, $4 # encoding: [0x00,0x64,0x10,0x99]